11218289629 has 32 divisors (see below), whose sum is σ = 12186800640. Its totient is φ = 10298990592.

The previous prime is 11218289627. The next prime is 11218289633. The reversal of 11218289629 is 92698281211.

It is a cyclic number.

It is not a de Polignac number, because 11218289629 - 2¹ = 11218289627 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11218289627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27428377 + ... + 27428785.

It is an arithmetic number, because the mean of its divisors is an integer number (380837520).

Almost surely, 2^11218289629 is an apocalyptic number.

It is an amenable number.

11218289629 is a deficient number, since it is larger than the sum of its proper divisors (968511011).

11218289629 is a wasteful number, since it uses less digits than its factorization.

11218289629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829.

The product of its digits is 248832, while the sum is 49.

The spelling of 11218289629 in words is "eleven billion, two hundred eighteen million, two hundred eighty-nine thousand, six hundred twenty-nine".